3-208
TM 9-2350-261-20-1
1. Does heater continue producing hot air for 10 min-
1. Heater shuts off prema-
utes?
turely.
\
2. Notify your supervisor.
1. Listen to heater blower.
2. Turn HI/LO switch to HI.
3. Does blower sqeed increase?
3-216
Y ES
1. Feel heater hot air outlet.
1. Shut off heater
2. Has air temperature increased?
(see your -10).
I
2. Faulty heater restrictor
I
YES
solenoid.
3. Notify your supervisor.
1. Run heater on HI for 10 minutes.
NOTE
Heater will shut off prematurely if air
inlet temperature is 60 degrees or above.
This is normal.
2. Does heater continue producing hot air?
1. Shut off heater
(see your -10).
2. Insuflicient heater
operation.
3. Notify your supervisor.
1. Turn HEATER SWITCH to OFF.
1. Heater does not purge.
2. Does blower remain on?
2. Notify your supervisor.
1. Listen to heater until blower shuts off.
2. Does blower shut off in less than 5 minutes?
1. Heater is operating properly.
2. No faults found.
1. Faulty heater flame
detector switch.
2. Notify your supervisor.